參數(shù)資料
型號： MAX8535
廠商： Maxim Integrated Products, Inc.
英文描述： Triple 3-Input Positive-AND Gates 20-LCCC -55 to 125
中文描述： “或”邏輯MOSFET控制器，帶有快速故障隔離功能，適用于冗余電源
文件頁數(shù)： 1/20頁
文件大小： 297K
代理商： MAX8535
General Desc ription
Critical loads often employ parallel-connected power
supplies with redundancy in order to enhance system
reliability. The MAX8535/MAX8536/MAX8585 are highly
integrated but inexpensive MOSFET controllers that pro-
vide isolation and redundant power capability in high-reli-
ability systems. The MAX8535/MAX8585 are used in 12V
systems, and have an internal charge pump to drive the
gates of the n-channel pass elements to V
CC
+ 10V. The
MAX8536 is used in 3.3V and 5V systems, with a charge-
pump output of V
CC
+ 5V.
During startup, the MAX8535/MAX8536/MAX8585 moni-
tor the voltage drop across external MOSFETs. Once
V
CC
approaches or exceeds the bus voltage, the
MOSFETs are turned on. The MAX8535/MAX8536/
MAX8585 feature a dual-purpose TIMER input. A single
external resistor from TIMER to ground sets the turn-on
speed of the external MOSFETs. Optionally, the TIMER
input can be used as a logic-enable pin. Once the
device is turned on, the MAX8535/MAX8536/MAX8585
monitor the load, protecting against overvoltage, under-
voltage, and reverse-current conditions.
Overvoltage and undervoltage fault thresholds are
adjustable and can be disabled. The current-limit trip
points are set by the external MOSFETs’ R
DS(ON)
,
reducing component count. An open-drain logic-low
fault output indicates if an overvoltage, undervoltage, or
reverse-current fault occurs.
All devices come in a space-saving 8-pin μMAX
package and are specified over the extended -40°C to
+85°C temperature range.
μMAX is a registered trademark of Maxim Integrated Products, Inc.
Applic ations
Silver Box Supplies for Servers
On-Board Redundant Power Supplies in Blade
Servers
Network/Telecom Power Supplies
Rectifiers
Redundant Power Supplies in High-Availability
Systems
Features
Simple, Integrated, and Inexpensive ORing
MOSFET Controller
ORing MOSFET Drive for 12V
(MAX8535/MAX8585) and 3.3V or 5V
(MAX8536) Bus
Eliminates ORing Diode Power Dissipation and
Reverse Leakage Current
Provides N + 1 Redundant Supply Capability for
Highly Reliable Systems
Isolates Failed Supply from Output Bus in <1μs
Reverse-Current Flow Detection
Programmable Soft-Start
Logic-Enable Input
Adjustable Overvoltage and Undervoltage Trip
Points
Fault-Indicator Output
Space-Saving 8-Pin μMAX Package
M
ORing MOSFET Controllers with Fastest
Fault Isolation for Redundant Power Supplies
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
MAX8535
MAX8536
MAX8585
GND
GATE
CS
FAULT
UVP
OVP
TIMER
V
CC
SILVER BOX
OR
RECTIFIERS
OUT+
OUT-
R
+V
O
-V
O
N.C.
OUTPUT:
3.3V/5V
(MAX8536),
12V
(MAX8535)
Typic al Operating Circ uit
Ordering Information
19-2735; Rev 1; 3/04
PART
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 μMAX
8 μMAX
8 μMAX
8 μMAX
MAX8535
EUA
MAX8535AEUA
MAX8536
EUA
MAX8585
EUA
Pin Configuration, Functional Diagrams, and Typical
Application Circuits appear at end of data sheet.
EVALUATION KIT
AVAILABLE
相關(guān)PDF資料
PDF描述
MAX8536EUA Triple 3-Input Positive-AND Gates 14-CDIP -55 to 125
MAX8535EUA PLUG, JAM NUT, PANEL, 6WAY RoHS Compliant: Yes
MAX8585EUA ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies
MAX8540 Synchronizable. High-Frequency Current- and Voltage-Mode PWM Controllers for Isolated Supplies
MAX8541 Synchronizable. High-Frequency Current- and Voltage-Mode PWM Controllers for Isolated Supplies
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX8535AEUA 功能描述:功率驅(qū)動器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8535AEUA+ 功能描述:功率驅(qū)動器IC ORing MOSFET Controller RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8535AEUA+T 功能描述:功率驅(qū)動器IC ORing MOSFET Controller RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8535AEUA-T 功能描述:功率驅(qū)動器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8535EUA 功能描述:功率驅(qū)動器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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